library_8c-source.html

oci的源码,可以在任何平台上编译,相当方便实用

<a name="l00280"></a>00280 
<a name="l00281"></a>00281 <span class="comment">/* ------------------------------------------------------------------------ *</span>
<a name="l00282"></a>00282 <span class="comment"> * OCI_SetStatus</span>
<a name="l00283"></a>00283 <span class="comment"> * ------------------------------------------------------------------------ */</span>
<a name="l00284"></a>00284 
<a name="l00285"></a>00285 <span class="keywordtype">void</span> OCI_SetStatus(<span class="keywordtype">boolean</span> res)
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287     <a class="code" href="struct_o_c_i___error.html" title="Encapsulates an Oracle or OCILIB exception.">OCI_Error</a> *err = OCI_ErrorGet(FALSE);
<a name="l00288"></a>00288 
<a name="l00289"></a>00289     <span class="keywordflow">if</span> (err != NULL)
<a name="l00290"></a>00290     {
<a name="l00291"></a>00291         err-&gt;<a class="code" href="struct_o_c_i___error.html#6ee70bd2af11b2f1788e2ba175765c74">raise</a> = (res == FALSE);
<a name="l00292"></a>00292     }
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294 
<a name="l00295"></a>00295 <span class="comment">/* ************************************************************************ *</span>
<a name="l00296"></a>00296 <span class="comment"> *                            PUBLIC FUNCTIONS</span>
<a name="l00297"></a>00297 <span class="comment"> * ************************************************************************ */</span>
<a name="l00298"></a>00298 
<a name="l00299"></a>00299 <span class="comment">/* ------------------------------------------------------------------------ *</span>
<a name="l00300"></a>00300 <span class="comment"> * OCI_Initialize</span>
<a name="l00301"></a>00301 <span class="comment"> * ------------------------------------------------------------------------ */</span>
<a name="l00302"></a>00302 
<a name="l00303"></a><a class="code" href="group__g__init.html#gcdb642d75f7c8478e083634144bc813c">00303</a> <span class="keywordtype">boolean</span> OCI_API <a class="code" href="group__g__init.html#gcdb642d75f7c8478e083634144bc813c" title="Initializes the library.">OCI_Initialize</a>(POCI_ERROR err_handler, <span class="keyword">const</span> mtext *home,
<a name="l00304"></a>00304                                <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mode)
<a name="l00305"></a>00305 {
<a name="l00306"></a>00306     <span class="keywordtype">boolean</span> res  = TRUE;
<a name="l00307"></a>00307     ub4 oci_mode = OCI_ENV_MODE | OCI_OBJECT;
<a name="l00308"></a>00308 
<a name="l00309"></a>00309 <span class="preprocessor">#ifdef OCI_IMPORT_RUNTIME</span>
<a name="l00310"></a>00310 <span class="preprocessor"></span>
<a name="l00311"></a>00311     <span class="keywordtype">char</span> path[OCI_SIZE_BUFFER+1];
<a name="l00312"></a>00312  
<a name="l00313"></a>00313     <span class="keywordtype">size_t</span> len = 0;
<a name="l00314"></a>00314 
<a name="l00315"></a>00315 <span class="preprocessor">#endif</span>
<a name="l00316"></a>00316 <span class="preprocessor"></span>
<a name="l00317"></a>00317     <span class="comment">/* check if it was already initialized */</span>
<a name="l00318"></a>00318 
<a name="l00319"></a>00319     <span class="keywordflow">if</span> (OCILib.loaded == TRUE)
<a name="l00320"></a>00320         <span class="keywordflow">return</span> TRUE;
<a name="l00321"></a>00321 
<a name="l00322"></a>00322     memset(&amp;OCILib, 0, <span class="keyword">sizeof</span>(OCI_Library));
<a name="l00323"></a>00323 
<a name="l00324"></a>00324     OCILib.error_handler  = err_handler;
<a name="l00325"></a>00325     OCILib.ver_compile    = OCI_VERSION_COMPILE;
<a name="l00326"></a>00326     OCILib.ver_runtime    = OCI_VERSION_RUNTIME;
<a name="l00327"></a>00327     OCILib.env_mode       = mode;
<a name="l00328"></a>00328 
<a name="l00329"></a>00329 <span class="preprocessor">#ifdef OCI_IMPORT_LINKAGE</span>
<a name="l00330"></a>00330 <span class="preprocessor"></span>
<a name="l00331"></a>00331     OCI_NOT_USED(home);
<a name="l00332"></a>00332 
<a name="l00333"></a>00333 <span class="preprocessor">#if defined(OCI_BIG_UINT_ENABLED)</span>
<a name="l00334"></a>00334 <span class="preprocessor"></span>
<a name="l00335"></a>00335     OCILib.use_lob_ub8 = TRUE;
<a name="l00336"></a>00336 
<a name="l00337"></a>00337 <span class="preprocessor">#endif</span>
<a name="l00338"></a>00338 <span class="preprocessor"></span>
<a name="l00339"></a>00339 <span class="preprocessor">#if defined(OCI_STMT_SCROLLABLE_READONLY)</span>
<a name="l00340"></a>00340 <span class="preprocessor"></span>
<a name="l00341"></a>00341     OCILib.use_scrollable_cursors = TRUE;
<a name="l00342"></a>00342 
<a name="l00343"></a>00343 <span class="preprocessor">#endif</span>
<a name="l00344"></a>00344 <span class="preprocessor"></span>
<a name="l00345"></a>00345 <span class="preprocessor">#else</span>
<a name="l00346"></a>00346 <span class="preprocessor"></span>
<a name="l00347"></a>00347     memset(path, 0, <span class="keyword">sizeof</span>(path));
<a name="l00348"></a>00348 
<a name="l00349"></a>00349 <span class="preprocessor">#if defined(OCI_CHARSET_UNICODE)</span>
<a name="l00350"></a>00350 <span class="preprocessor"></span>
<a name="l00351"></a>00351     <span class="keywordflow">if</span> (home != NULL &amp;&amp; home[0] != 0)
<a name="l00352"></a>00352         len = wcstombs(path, home, <span class="keyword">sizeof</span>(path));
<a name="l00353"></a>00353 
<a name="l00354"></a>00354 <span class="preprocessor">#else</span>
<a name="l00355"></a>00355 <span class="preprocessor"></span>
<a name="l00356"></a>00356     <span class="keywordflow">if</span> (home != NULL &amp;&amp; home[0] != 0)
<a name="l00357"></a>00357     {
<a name="l00358"></a>00358         strncat(path, home, <span class="keyword">sizeof</span>(path));
<a name="l00359"></a>00359 
<a name="l00360"></a>00360         len = strlen(path);
<a name="l00361"></a>00361     }
<a name="l00362"></a>00362 
<a name="l00363"></a>00363 <span class="preprocessor">#endif</span>
<a name="l00364"></a>00364 <span class="preprocessor"></span>
<a name="l00365"></a>00365     <span class="keywordflow">if</span> ((len &gt; 0) &amp;&amp; (len &lt; <span class="keyword">sizeof</span>(path)) &amp;&amp; (path[len-1] != OCI_CHAR_SLASH))
<a name="l00366"></a>00366     {
<a name="l00367"></a>00367         path[len] = OCI_CHAR_SLASH;
<a name="l00368"></a>00368         len++;
<a name="l00369"></a>00369     }
<a name="l00370"></a>00370 
<a name="l00371"></a>00371     strncat(path, OCI_DL_NAME, <span class="keyword">sizeof</span>(path) - len);
<a name="l00372"></a>00372 
<a name="l00373"></a>00373     OCILib.lib_handle = LIB_OPEN(path);
<a name="l00374"></a>00374 
<a name="l00375"></a>00375     <span class="keywordflow">if</span> (OCILib.lib_handle != NULL)
<a name="l00376"></a>00376     {
<a name="l00377"></a>00377 
<a name="l00378"></a>00378         <span class="comment">/* Now loading all symbols - no check is performed on each function,</span>
<a name="l00379"></a>00379 <span class="comment">           Basic checks will be done to ensure we're loading an</span>
<a name="l00380"></a>00380 <span class="comment">           Oracle and compatible library ...</span>
<a name="l00381"></a>00381 <span class="comment">        */</span>
<a name="l00382"></a>00382 
<a name="l00383"></a>00383         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIEnvCreate"</span>, OCIEnvCreate,
<a name="l00384"></a>00384                    OCIENVCREATE);
<a name="l00385"></a>00385 
<a name="l00386"></a>00386         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIServerAttach"</span>, OCIServerAttach,
<a name="l00387"></a>00387                    OCISERVERATTACH);
<a name="l00388"></a>00388         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIServerDetach"</span>, OCIServerDetach,
<a name="l00389"></a>00389                    OCISERVERDETACH);
<a name="l00390"></a>00390 
<a name="l00391"></a>00391         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIHandleAlloc"</span>, OCIHandleAlloc,
<a name="l00392"></a>00392                    OCIHANDLEALLOC);
<a name="l00393"></a>00393         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIHandleFree"</span>,  OCIHandleFree,
<a name="l00394"></a>00394                    OCIHANDLEFREE);
<a name="l00395"></a>00395 
<a name="l00396"></a>00396         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIDescriptorAlloc"</span>, OCIDescriptorAlloc,
<a name="l00397"></a>00397                    OCIDESCRIPTORALLOC);
<a name="l00398"></a>00398         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIDescriptorFree"</span>, OCIDescriptorFree,
<a name="l00399"></a>00399                    OCIDESCRIPTORFREE);
<a name="l00400"></a>00400 
<a name="l00401"></a>00401         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIAttrSet"</span>, OCIAttrSet,
<a name="l00402"></a>00402                    OCIATTRSET);
<a name="l00403"></a>00403         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIAttrGet"</span>, OCIAttrGet,
<a name="l00404"></a>00404                    OCIATTRGET);
<a name="l00405"></a>00405 
<a name="l00406"></a>00406         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIParamSet"</span>, OCIParamSet,
<a name="l00407"></a>00407                    OCIPARAMSET);
<a name="l00408"></a>00408         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIParamGet"</span>, OCIParamGet,
<a name="l00409"></a>00409                    OCIPARAMGET);
<a name="l00410"></a>00410 
<a name="l00411"></a>00411         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCISessionBegin"</span>, OCISessionBegin,
<a name="l00412"></a>00412                    OCISESSIONBEGIN);
<a name="l00413"></a>00413         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCISessionEnd"</span>, OCISessionEnd,
<a name="l00414"></a>00414                    OCISESSIONEND);
<a name="l00415"></a>00415 
<a name="l00416"></a>00416         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCIPasswordChange"</span>, OCIPasswordChange,
<a name="l00417"></a>00417                    OCIPASSWORDCHANGE);
<a name="l00418"></a>00418 
<a name="l00419"></a>00419         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCITransStart"</span>, OCITransStart,
<a name="l00420"></a>00420                    OCITRANSSTART);
<a name="l00421"></a>00421         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCITransDetach"</span>, OCITransDetach,
<a name="l00422"></a>00422                    OCITRANSDETACH);
<a name="l00423"></a>00423         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCITransPrepare"</span>, OCITransPrepare,
<a name="l00424"></a>00424                    OCITRANSPREPARE);
<a name="l00425"></a>00425         LIB_SYMBOL(OCILib.lib_handle, <span class="stringliteral">"OCITransForget"</span>, OCITransForget,
<a name="l00426"></a>00426                    OCITRANSFORGET);